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Shell Programming and Scripting
Use the get and post method in the bash ( multi process)?
Post 303026282 by RudiC on Friday 23rd of November 2018 10:27:31 AM
11-23-2018
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LEARN ABOUT OSF1
db_stat
db_stat(8) System Manager's Manual db_stat(8) NAME
db_stat - Displays statistics for the database files (Enhanced Security) SYNOPSIS
/usr/tcb/bin/db_stat [-clmNt] [-C Acfhlmo] [-d file] [-h home] [-M Ahlm] FLAGS
Display internal information about the lock region. (The output from this option is often both voluminous and meaningless, and is intended only for debugging.) Display all information. Display lock conflict matrix. Display lock and object free lists. Display lockers within hash chains. Display region memory information. Display objects within hash chains. Display lock region statistics. Display database statistics for the specified database. Specify a home directory for the database. The correct directory for enhanced security is /var/tcb/files. Display log region statistics. Display internal information about the shared memory buffer pool. (The output from this option is often both voluminous and meaningless, and is intended only for debugging.) Display all information. Display buffers within hash chains. Display buffers within LRU chains. Display region memory information. Display shared memory buffer pool statistics. Do not acquire shared region locks while accumulating the statistics. This option is intended only for debugging corrupt regions and should not be used under any other circumstances. Display transaction region statistics. DESCRIPTION
A customized version of the Berkeley Database (Berkeley DB) is embedded in the operating system to provide high-performance database sup- port for critical security files. The DB includes full transactional support and database recovery, using write-ahead logging and check- pointing to record changes. The db_stat utility provides database statistics for these security files. Customization for Tru64 UNIX makes some of this information, particularly lock-related information, meaningless. Values smaller than 10 million are generally displayed without any special notation. Values larger than 10 million are normally displayed as M. The db_stat utility utility attaches to one or more of the Berkeley DB shared memory regions. In order to avoid region corruption, it should always be given the chance to detach and exit gracefully. To cause db_stat to clean up after itself and exit, send it an interrupt signal (SIGINT). RETURN VALUES
The db_stat utility exits 0 on success, and >0 if an error occurs. ENVIRONMENT VARIABLES
If the -h option is not specified and the environment variable DB_HOME is set, it is used as the path of the database home. The home directory for security is /var/tcb/files. FILES
/var/tcb/files/auth.db /var/tcb/files/dblogs/* RELATED INFORMATION
Commands: db_archive(8), db_checkpoint(8), db_printlog(8), db_dump(8), db_load(8), db_recover(8) delim off db_stat(8)